react-relay-network-layer/es/relayQueries.js

Network Layer for React Relay and Express (Batch Queries, AuthToken, Logging, Retry)

/* eslint-disable no-param-reassign, prefer-template */
export default function queries(relayRequestList, fetchWithMiddleware) {
  return Promise.all(relayRequestList.map(relayRequest => {
    const req = {
      relayReqId: relayRequest.getID(),
      relayReqObj: relayRequest,
      relayReqType: 'query',
      method: 'POST',
      headers: {
        Accept: '*/*',
        'Content-Type': 'application/json'
      },
      body: JSON.stringify({
        id: relayRequest.getID(),
        query: relayRequest.getQueryString(),
        variables: relayRequest.getVariables()
      })
    };
    return fetchWithMiddleware(req).then(({
      data
    }) => relayRequest.resolve({
      response: data
    })).catch(err => relayRequest.reject(err));
  }));
}